August 19, 1954 – February 9, 2026
Sergio C. Mendez, known as “Lonnie,” passed away peacefully surrounded by his family on February 9, 2026, at the age of 71.
Lonnie was a dedicated archaeologist who loved history and discovery. He enjoyed hunting, fishing, and spending time outdoors. He will be remembered for his humor, his stories, and his deep love for his family.
He was preceded in death by his parents, Sergio Mendez Sr. and Hermina Mendez.
Lonnie is survived by his sister, Rebecca Ann Peña; his daughters, Rebecca Ann Navedo and Sarah Mendez Herrera and her spouse, Mark Herrera; seven grandchildren; two great-grandchildren; and many extended family members and friends.
Services will be held on March 6, 2026, at Funeraria Del Angel Hillcrest, 5054 Doniphan Drive, El Paso, TX 79932.
May he rest in peace.